ErrorController.java

package com.salesmanager.shop.store.controller.error;

import org.jopendocument.util.ExceptionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import br.ufrgs.inf.prosoft.cache.SingleCache;


@ControllerAdvice
public class ErrorController {
	
	
	private static final Logger LOGGER = LoggerFactory.getLogger(ErrorController.class);
	
	
    
	@ExceptionHandler(Exception.class)
	@ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
	public ModelAndView handleException(Exception ex) {
		
		LOGGER.error("Error page controller",ex);

		ModelAndView model = null;
		if(ex instanceof AccessDeniedException) {
			
			model = new ModelAndView("error/access_denied");
			
		} else {
			
			model = new ModelAndView("error/generic_error");
			model.addObject("stackError", ExceptionUtils.getStackTrace(ex));
			model.addObject("errMsg", ex.getMessage());
			
		}
		
		
 
		return model;
 
	}
	
public static SingleCache<Exception, ModelAndView> handleRuntimeExceptionCache = new SingleCache<>("28#static-single:ErrorController.handleRuntimeException");

	@ExceptionHandler(RuntimeException.class)
	@ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
	public ModelAndView handleRuntimeException(Exception ex) {
return handleRuntimeExceptionCache.computeIfAbsent(ex,  () -> {
		
		LOGGER.error("Error page controller",ex);
		
		ModelAndView model = null;

			
		model = new ModelAndView("error/generic_error");
		model.addObject("stackError", ExceptionUtils.getStackTrace(ex));
		model.addObject("errMsg", ex.getMessage());

		
		
 
		return model;
}, 1200000);
 
	}
	

    

 /*   
	@ExceptionHandler(Exception.class)
	@ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
	public String handleException(Model model, Exception ex, HttpServletRequest request) {
		
		
		MerchantStore store = getSessionAttribute(Constants.MERCHANT_STORE, request);
		StringBuilder template = null;
		//ModelAndView model = null;
		if(ex instanceof AccessDeniedException) {
			
			
			if(store != null) {
			
				
				template = new StringBuilder().append(ControllerConstants.Tiles.Error.accessDenied).append(".").append(store.getStoreTemplate());
				
				
			} else {
				
				template = new StringBuilder().append(ControllerConstants.Tiles.Error.accessDenied);
				
			}
			
			//model = new ModelAndView("error/access_denied");
			
		} else {
			
			model.addAttribute("stackError", ExceptionUtils.getStackTrace(ex));
			model.addAttribute("errMsg", ex.getMessage());
			
			if(store != null) {
			
				
				template = new StringBuilder().append(ControllerConstants.Tiles.Error.error).append(".").append(store.getStoreTemplate());
				
				
			} else {
				
				template = new StringBuilder().append(ControllerConstants.Tiles.Error.error);
				
			}
			
			//model = new ModelAndView("error/generic_error");
			//model.addObject("stackError", ExceptionUtils.getStackTrace(ex));
			//model.addObject("errMsg", ex.getMessage());
			
		}
		
		
 
		return template.toString();
 
	}
*/

}